Deck Screw "7 X 1-5/8"" WHITE HEADCOTE TRIM HEAD SCREW 100/PKG" Made of grade 305 stainless steel to provide superior protection against staining and corrosion Recommended for cedar, redwood, hardwoods, composites and treated lumber Auger point for faster, easier entry and to help prevent splitting Square recess for improved handling Trim head style with nibs for better countersinking where pre-drilling is not required